.cockpit-top-chain-wrapper{
  position: absolute;
  top: 100px;
  left: 50%;
  z-index: 9999;
  .top-popover-explain{
    padding: 0 20px;
    border-radius: 14px;
    background: rgba(20, 29, 41, 0.8);
    color: #fff;
    width: 400px;
  }
  .group-item, .active{
    float: left;
    padding: 7px 15px;
    cursor: pointer;
    font-size: 14px;
    color: #8e9bae;
    background-color: rgba(0, 0, 0, .3);
    transition: all .5s;
    &.active{
      background-color: rgba(0, 0, 0, .8);
      color: #fff;
      box-shadow: 0px 1px 10px 1px #4BD0FF inset;
    }
  }
  p{
    margin: 0;
  }
  &:after{
    content: "";
    display: block;
    height: 100%;
    clear: both;
  }
}